body,
ul {
    margin: 0;
    padding: 0
}

.clearfix::after {
    content: '';
    display: block;
    clear: both;
}

.swiper {
    width: 1000px;
    outline: 3px solid red;
    margin: 100px auto 0;
    overflow: hidden;
    height: 333px;
    position: relative;
}

ul {
    list-style: none;
    font-size: 0;
    transition: 0.3s;
}

ul li {
    float: left;
}

ul li img {
    width: 100%;
}

.circle {
    position: absolute;
    right: 10px;
    bottom: 10px;
}

.circle span {
    display: inline-block;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: rgb(216, 158, 132);
    text-align: center;
    line-height: 30px;
    font-size: 20px;
    cursor: pointer;
    margin-left:10px ;
}

.circle span:hover {
    background-color: rgb(224, 135, 94);
}

.arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
}

.arrow.left {
    left: 20px;
}

.arrow.right {
    right: 20px;
}